Nutritional management in LI patients. Individuals with LI are usually instructed to follow a lactose-free diet to reduce symptom manifestations [].However, the avoidance of all dairy products in patients with LI is no longer recommended today, as the majority of LI patients can tolerate up to 5 g of lactose per single dose—approximately the equivalent of 100 mL of milk. In mammals, the ability to digest lactose has been selected for in infants. In humans, some people also have the ability to digest lactose as an adult. This is called "lactose persistence."There are four different forms of lactase "deficiency": primary, secondary, developmental, and congenital. Primary lactase deficiency is the loss of lactase Contohnya, kelemahan daya tolak orang yahudi terhadap penyakit Tay-Sachs, kecendrungan penolakan laktos (lactose intolerance) dan sickle-cell anemia di kalangan orang kulit hitam, adanya kemungkinan lebih besar terserang talasemia (thalasemia), salah satu jenis anemia di kalangan orang yang berasal dari daerah Mediterania (Zochert, 1977). Milk. Milk and other foods that contain lactose, like cheese and ice cream, can cause gas and bloating in people who are lactose intolerant.About 70% of adults worldwide do not produce large amounts of lactase, an intestinal enzyme that helps break down the sugar in milk. .

ciri ciri lactose intolerant